"box of birds" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "box of birds",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "box of fluffy ducks"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "New Zealand English",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2012, C.K. Stead, Risk",
          "text": "They were “all a box of birds etc” – and there was news of how the All Blacks were doing in the Tri Nations.",
          "type": "quotation"
        },
        {
          "ref": "2014, Sandra Knight, Fringe Benefits, page 45",
          "text": "\"And how are things with you today?” Sue asked as she rearranged Moira's cape. “A box of birds thanks,”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of box of fluffy ducks"
      ],
      "id": "en-box_of_birds-en-noun-J~w-70WT",
      "links": [
        [
          "box of fluffy ducks",
          "box of fluffy ducks#English"
        ]
      ],
      "raw_glosses": [
        "(New Zealand, dated) Alternative form of box of fluffy ducks"
      ],
      "tags": [
        "New-Zealand",
        "alt-of",
        "alternative",
        "dated"
      ]
    }
  ],
  "word": "box of birds"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "noun"
      },
      "expansion": "box of birds",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "box of fluffy ducks"
        }
      ],
      "categories": [
        "English dated terms",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with quotations",
        "New Zealand English"
      ],
      "examples": [
        {
          "ref": "2012, C.K. Stead, Risk",
          "text": "They were “all a box of birds etc” – and there was news of how the All Blacks were doing in the Tri Nations.",
          "type": "quotation"
        },
        {
          "ref": "2014, Sandra Knight, Fringe Benefits, page 45",
          "text": "\"And how are things with you today?” Sue asked as she rearranged Moira's cape. “A box of birds thanks,”",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative form of box of fluffy ducks"
      ],
      "links": [
        [
          "box of fluffy ducks",
          "box of fluffy ducks#English"
        ]
      ],
      "raw_glosses": [
        "(New Zealand, dated) Alternative form of box of fluffy ducks"
      ],
      "tags": [
        "New-Zealand",
        "alt-of",
        "alternative",
        "dated"
      ]
    }
  ],
  "word": "box of birds"
}